Merge "Merge "[DOC UPDATE] Refine extension strength default" into udc-dev am:...

Merge "Merge "[DOC UPDATE] Refine extension strength default" into udc-dev am: 79e749d4 am: 1fb99904" into udc-d1-dev-plus-aosp am: d1b964fe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24344720



Change-Id: I92eaf8d8ef44849f24e9dc43598811b97dc23c65
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>